Réponses

2012-11-05T17:42:29+01:00
2012-11-05T17:44:29+01:00

A(x)= (2x)²-(16x+8x²-2-x)

A(x)= (2x)²-16x-8x²+2+x

A(x)= 4x²-16x-8x²+2+x

A(x)= -4x²-15x+2